diff --git a/interface.sv b/interface.sv
index 3120870..7fa5121 100644
--- a/interface.sv
+++ b/interface.sv
@@ -1,69 +1,70 @@
-//------------------------------------------------------
-//                                                        
-//  File          :  interface.sv
-//  Related Files :                                                     
-//  Author(s)     :  Mueller                              
-//  Email         :  muelleral82290@th-nuernberg.de       
-//  Organization  :  Georg-Simon-Ohm-Hochschule Nuernberg 
-//  Notes         :  Stimuli Modul 
-//
-//------------------------------------------------------
-//                   History    
-//------------------------------------------------------
-//    Version| Author   | Mod. Date  | Changes Made:
-//    v1.00  | Mueller  | 11/05/2023 | first code
-//------------------------------------------------------
-//eoh
-
-
-//interface for LED
-//reg [2:0]rbg stores rgb values that depend on dip[3:2]
-interface led_if();
-
-	logic [2:0]rgb;
-
-	modport led_port_stim(input rgb);
-	modport led_port_top(output rgb);
-	
-
-endinterface : led_if
-
-//interface for DIPSCHALER
-// dip[3:2] -> select colour, dip[1] -> read ~ 1/write ~ 0, dip[0] -> on ~ 1/off ~ 0
-interface dip_if();
-
-	logic [3:0]dip;
-
-	modport dip_port_stim(output dip);
-	modport dip_port_top(input dip);
-
-endinterface : dip_if
-
-//interface for FRAM
-// sck -> 0 ~ cummonication enabled, 1 ~ communication disabled
-// clk -> system clock / timer
-// miso -> testbench output
-// mosi -> testbench input
-interface fram_if();
-
-	logic ss;
-	logic mosi;
-	logic miso;
-	logic sclk;
-
-	modport fram_port_stim(input mosi, sclk, ss, output miso);
-	modport fram_port_top(output mosi, sclk, ss, input miso);
-
-endinterface : fram_if
-
-//testbenchclock replaces the oscillator on the board
-interface clock_if();
-
-	logic clk;
-
-	modport clock_port_stim(output clk);
-	modport clock_port_top(input clk);
-
-endinterface : clock_if
-
-
+//------------------------------------------------------
+//                                                        
+//  File          :  interface.sv
+//  Related Files :                                                     
+//  Author(s)     :  Mueller                              
+//  Email         :  muelleral82290@th-nuernberg.de       
+//  Organization  :  Georg-Simon-Ohm-Hochschule Nuernberg 
+//  Notes         :  Stimuli Modul 
+//
+//------------------------------------------------------
+//                   History    
+//------------------------------------------------------
+//    Version| Author   | Mod. Date  | Changes Made:
+//    v1.00  | Mueller  | 11/05/2023 | first code
+//------------------------------------------------------
+//eoh
+
+
+//interface for LED
+//reg [2:0]rbg stores rgb values that depend on dip[3:2]
+interface led_if();
+
+	logic [2:0]rgb;
+	logic [2:0]rgbn;
+
+	modport led_port_stim(input rgb, rgbn);
+	modport led_port_top(output rgb, rgbn);
+	
+
+endinterface : led_if
+
+//interface for DIPSCHALER
+// dip[3:2] -> select colour, dip[1] -> read ~ 1/write ~ 0, dip[0] -> on ~ 1/off ~ 0
+interface dip_if();
+
+	logic [3:0]dip;
+
+	modport dip_port_stim(output dip);
+	modport dip_port_top(input dip);
+
+endinterface : dip_if
+
+//interface for FRAM
+// sck -> 0 ~ cummonication enabled, 1 ~ communication disabled
+// clk -> system clock / timer
+// miso -> testbench output
+// mosi -> testbench input
+interface fram_if();
+
+	logic ss;
+	logic mosi;
+	logic miso;
+	logic sclk;
+
+	modport fram_port_stim(input mosi, sclk, ss, output miso);
+	modport fram_port_top(output mosi, sclk, ss, input miso);
+
+endinterface : fram_if
+
+//testbenchclock replaces the oscillator on the board
+interface clock_if();
+
+	logic clk;
+
+	modport clock_port_stim(output clk);
+	modport clock_port_top(input clk);
+
+endinterface : clock_if
+
+
diff --git a/top_level.sv b/top_level.sv
index e0105fa..2f86277 100644
--- a/top_level.sv
+++ b/top_level.sv
@@ -20,10 +20,10 @@ interface bus();
 	logic [1:0]spi_read;
 	
 	// modports from modules pov
-	modport timer_port(input dip, output timer, clk);		//dip[0]
+	modport timer_port(input dip, output timer, clk);			//dip[0]
 	modport parallel_port(output dip);
-	modport steuerung_port(input dip, timer, spi_read);		//dip[3:0] / spi_read[1:0]
-	modport spi_port(input dip, timer, output spi_read);	//spi_read[1:0]
+	modport steuerung_port(input dip, timer, clk, spi_read);	//dip[3:0] / spi_read[1:0]
+	modport spi_port(input dip, timer, clk, output spi_read);	//spi_read[1:0]
 endinterface : bus
 
 // Definition of parallelport